1966 : Creation of the BCPL language 1970 : Creation of the B language 1972 : Creation of the C language 1978 : Creation of the K&R C evolution 1989 : Creation of the C89 evolution 1999 : Creation of the C99 evolution 2011 : Creation of the C11 evolution 1983 : Creation of the C++ language 2001 : Creation of the C# language